Spanners TRIZ Cases

Torque, angle, and presence sensing verify screw selection, placement, and tightening in real time to reduce manual checks and assembly errors.

An integral elastomer preload ring and insulating inserts keep guide elements aligned, reducing tilting, jamming, defects, and downtime.

Locking balls and a tubular sleeve secure CNC retention knobs during removal, reducing wrench damage, dropped parts, and operator risk.

Movable locking portions, inclined planes, and an elastic member let one hand tool holder securely clamp drive members of different sizes.

An expandable backing plate and spring-ball lock widen the pressure plate for quick dual-cylinder brake piston retraction with one tool.

Oblique profile toothing in a telescopic screwdriving transmission generates axial feed force to offset friction and shrink feed drive size.

Pivoting jaws and a guided insertion member hold and release fasteners in a controlled way, reducing drops and freeing one hand.

A rigidly linked cutter uses the setting head stroke to trim empty fastener strip automatically without extra actuators or process interruption.

Pivoting jaws and an insertion member hold and release fasteners in a controlled way, enabling one-handed insertion while reducing drops and FOD.

A laser-ablated compressive stress layer on the tip and a reduced-diameter shank improve wear life and impact resistance in tool bits.

A sliding push member and elastic fixing pins let screw feeder nozzles detach and reattach by hand, cutting setup time and damage risk.

A push member and elastic fixing pins let the nozzle assembly detach by hand, simplifying maintenance and reducing component damage risk.

A single virtual IP with unique identifiers links many industrial tools and controllers while conserving IP addresses and easing reconfiguration.

A movable spindle, clutch assembly, and countershaft locking mechanism enable smooth switching between screwing and unscrewing.

A spring-biased, motor-driven latch helps subsea torque tools disengage during power loss while preventing component damage from lockup.

Extendable moment arms and a pivoting ball increase mounting torque for secure, adjustable surgical instrumentation through small incisions.

A cylindrical removable nozzle tip lets the heater and thermocouple sit closer to the mold gate for steadier melt temperature and consistency.

A movable sleeve, switcher, and drive rod combine drilling and riveting in one manual operation without compressor-dependent tooling.

By tracking motor rotation change after torque release, this case estimates screw axial force without direct sensors to judge driving quality.

A spring-return clamp and rotating body speed repeat pocket-hole setup, cut clamping effort, and keep drilling accurate across workpiece sizes.

A dual-mode shifter and wireless torque sensing balance high run-down speed with accurate final torque in portable fastener tightening.

Pre-positioned rollers and spring bias enable near-simultaneous clutch locking, reducing dead travel and balancing torque despite tolerances.

Axial pre-alignment plus press-and-reverse rotation helps a screw fitting engage reliably even when contact pressure makes attachment difficult.

A two-point actuator tool mounts and removes a gyratory crusher retainer assembly without head nut tilting, reducing thread damage and injury risk.

A thicker transition support wall boosts ratchet wrench torque capacity while preventing pawl cavity deformation and breakage.

Controlled forward and reverse rotation helps a screw driver fit under high contact pressure, improving engagement for tightening and loosening.

Current slope analysis lets a hand-held power tool stop fasteners at the target position while keeping one-handed multi-mode clutch control.

Recessed spaces let ratchet teeth compress under excessive force, reducing damage while improving lubricant retention and service life.

An axially movable suction insert maintains vacuum hold on coated connecting elements despite surface unevenness, reducing setting defects.

A snap-fit locking sleeve lets engineers replace a shear wrench chuck quickly by hand while keeping the head firmly fixed.

A threaded sleeve and protective arm restrain a hydraulic bolt tensioner if a loaded bolt breaks, reducing jump risk and injury.

An integrated vacuum sensor inside the screwdriver detects screw pick-up status without external sensors, reducing tool and line complexity.

Gradually concave latching surfaces let rollers travel farther, improving wrench engagement reliability and torque capacity.

Dual motors, a roller screw, and integrated clamping simplify blind fastener setting and cut multi-step assembly time in thin-walled parts.

A truck-mounted modular hydraulic torque tool brings up to 15,000 lb-ft to remote sites for loosening and retorquing hydraulic cylinder piston nuts.

An inspection device links reference tightening force with sensor torque data to calibrate electric tools and improve torque reliability.

A perpendicular transfer gear lets a drill drive nuts along threaded rods faster with less fatigue while also supporting rod cleaning or thread cutting.

A pin extending into the output shaft center hole cuts wobble and run-out while keeping the torque transfer socket compact.

Dual wireless and wired data transfer lets fastening tools send key torque results during use and full records during idle time.

Combining drilling and anchor expansion in one tool cuts installation time, avoids pre-drilling, and secures attachment reliably.

An aligning arrangement rotates drive and driven profiles into position during axial attachment, enabling easy tool-head mating and reliable torque transfer.

Automatic cabinet-door and socket guidance enables tightening only after the correct socket is picked, reducing mixed-line pack assembly errors.

Dual torque transducers before and after the angle gear improve tightening accuracy by tracking gear ripple and joint friction changes.

A combined drill head and expandable anchor removes the pre-drilling step, speeding secure fastening while reducing labor and cost.

Correlating tool sensor torque with inspection-device force measurements improves tightening accuracy and supports condition-based calibration.

Balanced two-point actuation mounts and removes a gyratory crusher retainer assembly without head nut tilting, thread damage, or hammer injury.

Ultrasonic time-of-flight feedback adjusts fastener tightening targets for joint thickness and heating to keep screw axial tension consistent.

Dynamic current correction limits motor protection during overloads while preserving output torque for continuous electric work machine operation.

Normalized torque sequences detect screw tightening defects in soft materials despite workpiece torque variation and bottoming issues.

A motor-driven flexible transmission moves the bit axially for precise screw pressing while keeping the fastening tool compact.